BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 156 55.1%
2 United States 55 19.4%
3 Germany 30 10.6%
4 Taiwan 20 7.1%
5 Hong Kong 5 1.8%
6 Canada 5 1.8%
7 France 4 1.4%
8 Australia 3 1.1%
9 Japan 3 1.1%
10 Russia 1 0.4%
11 Singapore 1 0.4%